MCQOPTIONS
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				| 1. | 
                                    A built-up-edge is formed while machining __________ | 
                            
| A. | ductile materials at high speed | 
| B. | ductile materials at low speed | 
| C. | brittle materials at high speed | 
| D. | brittle materials at low speed | 
| Answer» C. brittle materials at high speed | |